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Incheon Intl

$404+ Cheap flights from Heathrow (LHR) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 61 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Heathrow to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$612
(Lufthansa)

One-way from

$404
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$903

Good round-trip deal

$1,137 or less

Good one-way deal

$813 or less
From London Heathrow to Incheon Intl
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One-way flight from London Heathrow to Incheon Intl
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Highest demand for flights based on searches. 13% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
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Price to beat on a one-way flight from London Heathrow to Incheon Intl.
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Find flight deals from Heathrow to Incheon Intl

Cheapest flights from Heathrow to Incheon Intl
Explore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Lufthansa deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:30 amLHR - ICN
1 stop17h 20mLufthansa
Wed 11/191:05 pmICN - LHR
1 stop16h 45mLufthansa
Deal found 6/10$612
This Shenzhen Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:05 pmLHR - ICN
1 stop31h 35mShenzhen Airlines
Sun 9/72:40 pmICN - LHR
1 stop37h 10mShenzhen Airlines
Deal found 6/12$623
This China Southern deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:30 pmLHR - ICN
1 stop15h 55mChina Southern
Mon 11/34:15 pmICN - LHR
1 stop35h 00mChina Southern
Deal found 6/10$665
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:10 pmLHR - ICN
1 stop31h 45mMultiple Airlines
Fri 10/1012:10 amICN - LHR
1 stop24h 25mMultiple Airlines
Deal found 6/10$689
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:50 pmLHR - ICN
2 stops38h 10mScandinavian Airlines
Mon 11/1711:45 pmICN - LHR
1 stop25h 15mScandinavian Airlines
Deal found 6/11$691
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:15 amLHR - ICN
1 stop36h 10mLOT
Mon 9/1511:20 amICN - LHR
1 stop30h 00mLOT
Deal found 6/10$719
This Etihad Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/82:45 pmLHR - ICN
1 stop23h 20mEtihad Airways
Fri 7/111:35 amICN - LHR
1 stop21h 40mEtihad Airways
Deal found 6/9$780
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/179:20 pmLHR - ICN
1 stop15h 25mChina Eastern
Sat 6/212:15 pmICN - LHR
2 stops36h 25mChina Eastern
Deal found 6/10$814
This Finnair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:10 pmLHR - ICN
1 stop35h 10mFinnair
Wed 9/39:50 pmICN - LHR
1 stop25h 20mFinnair
Deal found 6/12$826
This SWISS deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:15 pmLHR - ICN
2 stops53h 10mSWISS
Wed 9/2410:05 amICN - LHR
1 stop19h 40mSWISS
Deal found 6/10$827

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 11/10

8:30 am-10:50 am

1 stop17h 20m

Incheon Intl

Wed 11/19

1:05 pm-8:50 pm

1 stop16h 45m

$612

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/27

9:10 pm-1:55 pm

1 stop31h 45m

Incheon Intl

Sat 11/15

2:55 pm-7:10 pm

1 stop37h 15m

$624

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/27

9:30 pm-10:25 pm

1 stop15h 55m

Incheon Intl

Mon 11/3

4:15 pm-6:15 pm

1 stop35h 00m

$665

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 9/19

10:10 pm-1:55 pm

1 stop31h 45m

Incheon Intl

Fri 10/10

12:10 am-4:35 pm

1 stop24h 25m

$689

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 11/10

7:50 pm-7:00 pm

2 stops38h 10m

Incheon Intl

Mon 11/17

11:45 pm-4:00 pm

1 stop25h 15m

$691

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 9/1

10:15 am-6:25 am

1 stop36h 10m

Incheon Intl

Mon 9/15

11:20 am-9:20 am

1 stop30h 00m

$719

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 7/8

2:45 pm-10:05 pm

1 stop23h 20m

Incheon Intl

Fri 7/11

1:35 am-3:15 pm

1 stop21h 40m

$780

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 9/2

4:10 pm-11:20 am

1 stop35h 10m

Incheon Intl

Sun 9/7

9:50 pm-12:10 pm

1 stop22h 20m

$800

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 9/17

7:15 pm-8:25 am

2 stops53h 10m

Incheon Intl

Wed 9/24

10:05 am-9:45 pm

1 stop19h 40m

$827

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 10/22

7:30 pm-8:45 am

2 stops53h 15m

Incheon Intl

Sun 11/9

6:30 pm-6:40 pm

2 stops33h 10m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 33 results
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The best insider tips for London Heathrow Airport to Incheon Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Incheon Intl Airport trip
Airports
LHR

Heathrow's strict security means longer waits. Ensure liquids are in one bag and remove suspicious items to avoid delays.

Read more about LHRby Ramsey Qubein
ICN

Use the AREX express train for a quick 40-50 minute trip from Incheon to Seoul Station. It's fast and convenient.

Read more about ICNby Gabriel Leigh
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Incheon Intl Airport

What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $1,000). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to ICN?

Find hourly flight availability from Heathrow to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from London Heathrow Airport to Incheon Intl Airport by exploring options for tickets in the morning.

Weekly flight availability from London Heathrow Airport to Incheon Intl Airport

Explore weekly flight availability from Heathrow to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from LHR to ICN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Asiana Airlines from London to Seoul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Hainan Airlines
8.1
Very good
39 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
LOT
7.6
Good
1,077 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London Heathrow Airport to Incheon Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to Incheon Intl Airport is Lufthansa. Our recent data shows that you can find tickets from as low as $612 on this airline. Additional options worth looking into are Shenzhen Airlines and China Southern, starting at $624 and $665 round-trip. Users have found that Lufthansa is 33% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Incheon Intl Airport one-way?

    The cheapest airline one-way is Hainan Airlines, with whom users have recently found tickets for as low as $404. However, be on the lookout for offers from China Southern and Lufthansa, as they are both options that can get you from London Heathrow Airport to Incheon Intl Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Incheon Intl Airport?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Incheon Intl Airport consider choosing Asiana Airlines (80%), Korean Air (80%) or Virgin Atlantic (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Incheon Intl Airport?

    While on average a flight from London Heathrow Airport to Incheon Intl Airport is generally $1,357, our data shows the cheapest flight currently is $749. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay $599 for that flight.

  • Can I find deals for flights from Heathrow to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Incheon Intl.

  • Can I find deals for business class flights from Heathrow to Incheon Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $1,000). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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Top 4 airlines flying from Heathrow to Incheon Intl

Discover the top 4 airlines that operate flights from Heathrow to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$528Average$787FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$620Average$813FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$990Average$1,292FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,003Average$1,155FlexibilityNo cancel feeOn-time81%

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